body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f7f9;
    margin: 0;
    padding: 0;
    color: #333;
}

header {
    background-color: #1a1a1a;
    padding: 20px;
    text-align: center;
    color: white;
    font-size: 24px;
}

h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: white;
    box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background-color: #0056b3;
}

input[type="text"], input[type="password"], input[type="file"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table th, table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

table th {
    background-color: #007bff;
    color: white;
}

table img {
    border-radius: 50%;
    width: 50px;
    height: 50px;
}

.nav {
    margin-top: 20px;
    text-align: center;
}

.nav a {
    margin: 0 15px;
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    border-radius: 5px;
}

.nav a:hover {
    background-color: #0056b3;
}